class HouseItem:
    def __init__(self,name,area):
        self.name = name
        self.area = area

    def __str__(self):
        return "[%s]占地%.2f" % (self.name,self.area)
    


class House:
    def __init__(self,house_type,area):
        self.house_type = house_type
        self.area = area
        self.free_area = area
        self.item_list = []
    
    def __str__(self):
        return ("户型 :%s\n总面积: %.2f[剩余:%.2f]\n家具:%s" 
                % (self.house_type,self.area,
                   self.free_area,self.item_list))

    def add_item(self,item):    
        print("要添加%s" % item)
        if item.area > self.free_area:
            print("%s家具面积太大,无法添加" % item.name)
            return
        
        self.item_list.append(item.name)

        self.free_area -= item.area 

bed = HouseItem("席梦思",4)
chest = HouseItem("衣柜",2)
table = HouseItem("餐桌",1.5)

print(bed)
print(chest)
print(table)

my_home = House("两室一厅",60)
my_home.add_item(bed)
my_home.add_item(chest)
my_home.add_item(table)

print(my_home)